D331313123121133131333131322331313331323331313232233132333132212111   >>    D33131312312113313133313132233131333132333131323223313233313221211   <<    D331313123121133131333131322331313331323331313232233132333132212113   >>      D331313123121133131333131322331313331323331313232233132333132212112   >>